Simulation of the Explosion of a Surface Microprotrusion during a Radio Frequency Breakdown

Abstract

This paper presents results of a numerical simulation of the explosion of a surface microprotrusion exposed to a radio frequency electromagnetic field. The integral of specific current action has been estimated for an RF and a dc electric field causing a microprotrusion explosion. It has been shown that in both cases, the microexplosion and the subsequent crater formation occur in much the same way. The results obtained support the hypothesis that a dc vacuum breakdown and a breakdown initiated by an RF wave incident on a metal surface proceed by the same mechanism.

Original language	English
Article number	8734827
Pages (from-to)	3406-3411
Number of pages	6
Journal	IEEE Transactions on Plasma Science
Volume	47
Issue number	8
DOIs	https://doi.org/10.1109/TPS.2019.2918708
Publication status	Published - 1 Aug 2019

Keywords

Explosive emission
magnetohydrodynamic (MHD) modeling
radio frequency breakdown

ASJC Scopus subject areas

Nuclear and High Energy Physics
Condensed Matter Physics

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10.1109/TPS.2019.2918708

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title = "Simulation of the Explosion of a Surface Microprotrusion during a Radio Frequency Breakdown",

abstract = "This paper presents results of a numerical simulation of the explosion of a surface microprotrusion exposed to a radio frequency electromagnetic field. The integral of specific current action has been estimated for an RF and a dc electric field causing a microprotrusion explosion. It has been shown that in both cases, the microexplosion and the subsequent crater formation occur in much the same way. The results obtained support the hypothesis that a dc vacuum breakdown and a breakdown initiated by an RF wave incident on a metal surface proceed by the same mechanism.",

keywords = "Explosive emission, magnetohydrodynamic (MHD) modeling, radio frequency breakdown",

author = "Barengolts, {Sergey A.} and Oreshkin, {Evgeny V.} and Oreshkin, {Vladimir I.} and Khishchenko, {Konstantin V.}",

year = "2019",

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doi = "10.1109/TPS.2019.2918708",

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AU - Oreshkin, Evgeny V.

AU - Oreshkin, Vladimir I.

AU - Khishchenko, Konstantin V.

PY - 2019/8/1

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AB - This paper presents results of a numerical simulation of the explosion of a surface microprotrusion exposed to a radio frequency electromagnetic field. The integral of specific current action has been estimated for an RF and a dc electric field causing a microprotrusion explosion. It has been shown that in both cases, the microexplosion and the subsequent crater formation occur in much the same way. The results obtained support the hypothesis that a dc vacuum breakdown and a breakdown initiated by an RF wave incident on a metal surface proceed by the same mechanism.

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KW - magnetohydrodynamic (MHD) modeling

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